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W.to H. / level ruler

W.to H.

~~~~Use the Water level to align things Horizontally~~~~1、People usually have to operate some sophisticated instruments to find a horizontal line. However, the essential problem are ignored.~~~~~2、We design a hollow tape with half water in it, which makes it easy to find the horizontal line by
repositioning to have the water level passing through the red midpoint.~~~~~3、There is a through-hole in the red point, which allows for being fixed by nails when it is used by a single user.

University

School of Manufacturing Science and Engineering, Sichuan University

School of Manufacturing Science and Engineering, Sichuan University
Chengdu, China

Zhengkui Li,
School of fine arts, Sichuan University

Zhonghe / Wen,
School of Manufacturing Science and Engineering, Sichuan University

Mingpan / Zhu,
School of fine arts, Sichuan University

Pengcheng / An,
School of Manufacturing Science and Engineering, Sichuan University

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